From afa8351d9e7e762f8620168f28dfca0ba6922cf6 Mon Sep 17 00:00:00 2001
From: Nikolai Kosjar <nikolai.kosjar@theqtcompany.com>
Date: Wed, 30 Mar 2016 12:55:33 +0200
Subject: [PATCH] C++: Accept BUILD_CPLUSPLUS_TOOLS as qmake variable

Change-Id: I3266261d14aef12d3db73a635f0b1c471f6a52b7
Reviewed-by: Orgad Shaneh <orgads@gmail.com>
---
 src/tools/tools.pro | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/tools/tools.pro b/src/tools/tools.pro
index be4170db1ae..fe9f3a73970 100644
--- a/src/tools/tools.pro
+++ b/src/tools/tools.pro
@@ -23,7 +23,7 @@ exists($$LLVM_INSTALL_DIR) {
     SUBDIRS += clangbackend
 }
 
-BUILD_CPLUSPLUS_TOOLS = $$(BUILD_CPLUSPLUS_TOOLS)
+isEmpty(BUILD_CPLUSPLUS_TOOLS):BUILD_CPLUSPLUS_TOOLS=$$(BUILD_CPLUSPLUS_TOOLS)
 !isEmpty(BUILD_CPLUSPLUS_TOOLS) {
     SUBDIRS += cplusplus-ast2png \
         cplusplus-frontend \